USA Boys 10 & under - 50 M Back
These rankings show the swimmers' placement within the United States.They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.
Swimmer Rankings
| Ranking | Name | Time | Age | Standard | to Next Standard | Team | Date | Meet | |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Christian Briscoe | 37.52 | 10 | AAA Min | AAAA: 36.99 (+0.53s | 1.4%) | Marlins Of Raleigh | 04/25/2026 | 2026 NCAC Quad Meet | |
| 52 | Sunyul Park | 37.54 | 10 | AAA Min | AAAA: 36.99 (+0.55s | 1.5%) | C.M. Gatton Beaumont YMCA | 06/26/2026 | 2026 Colonel Summer Classic Copied | |
| 53 | Leo Morrissey | 37.55 | 10 | AAA Min | AAAA: 36.99 (+0.56s | 1.5%) | Tide Swimming | 06/05/2026 | 2026 TIDE Schools Out Classic | |
| 54 | Thomas Sedano | 37.56 | 10 | AAA Min | AAAA: 36.99 (+0.57s | 1.5%) | Monterey Bay Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 55 | Adrian Wong | 37.59 | 10 | AAA Min | AAAA: 36.99 (+0.60s | 1.6%) | La Mirada Armada | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 56 | Alexander Xie | 37.61 | 10 | AAA Min | AAAA: 36.99 (+0.62s | 1.6%) | Carmel Swim Club | 06/04/2026 | 98th Ohio Valley Championships 2026 | |
| 57 | David Ash | 37.65 | 10 | AAA Min | AAAA: 36.99 (+0.66s | 1.8%) | SwimMAC Carolina | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 58 | Lucas Stocker | 37.69 | 10 | AAA Min | AAAA: 36.99 (+0.70s | 1.9%) | Coastal Machine Aquatics Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 59 | George Xuan | 37.70 | 10 | AAA Min | AAAA: 36.99 (+0.71s | 1.9%) | Commonwealth Swimming | 06/12/2026 | 2026 NE CS Summer Solstice | |
| 60 | Julian Phillips | 37.71 | 10 | AAA Min | AAAA: 36.99 (+0.72s | 1.9%) | Quicksilver Swimming | 06/11/2026 | 2026 SCS June AG Invite | |
| 61 | Zhecheng Zhu | 37.71 | 10 | AAA Min | AAAA: 36.99 (+0.72s | 1.9%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 62 | Michael Navarro | 37.72 | 10 | AAA Min | AAAA: 36.99 (+0.73s | 1.9%) | Swim Fort Lauderdale | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 63 | Guanlin Chen | 37.75 | 9 | AAA Min | AAAA: 36.99 (+0.76s | 2.0%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 64 | Matthew Zhao | 37.76 | 10 | AAA Min | AAAA: 36.99 (+0.77s | 2.0%) | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 65 | Dylan Deahn | 37.76 | 9 | AAA Min | AAAA: 36.99 (+0.77s | 2.0%) | Csp Tideriders | 06/26/2026 | 88th CSP Summer Invitational | |
| 66 | Finley Brandt | 37.77 | 10 | AAA Min | AAAA: 36.99 (+0.78s | 2.1%) | Houston Hydra | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 67 | Niam Gettings | 37.78 | 10 | AAA Min | AAAA: 36.99 (+0.79s | 2.1%) | North Carolina Aquatic Club | 04/25/2026 | 2026 NCAC Quad Meet | |
| 68 | Preston Tran | 37.85 | 10 | AAA Min | AAAA: 36.99 (+0.86s | 2.3%) | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 69 | Miguel Ramirez | 37.93 | 9 | AAA Min | AAAA: 36.99 (+0.94s | 2.5%) | Blue Wave Swimming | 06/05/2026 | 2026 TAMPA BAY SWIM CLASSIC | |
| 70 | Andy Tran | 37.94 | 10 | AAA Min | AAAA: 36.99 (+0.95s | 2.5%) | Seattle Metropolitan Aquatic C | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 71 | Pace Bui | 37.99 | 10 | AAA Min | AAAA: 36.99 (+1.00s | 2.6%) | Fog City Hammerheads | 06/12/2026 | BAC Long Course | |
| 72 | Aaron Niu | 38.00 | 10 | AAA Min | AAAA: 36.99 (+1.01s | 2.7%) | Flying Fish Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 73 | TJ Sayer | 38.00 | 10 | AAA Min | AAAA: 36.99 (+1.01s | 2.7%) | Foxjets Swim Team | 06/11/2026 | 2026 MN AQJT Aquajets Summer Spectacular | |
| 74 | Zachary Zeng | 38.01 | 10 | AAA Min | AAAA: 36.99 (+1.02s | 2.7%) | Waterloo Swimming | 06/19/2026 | 2026 ST ASC Firecracker | |
| 75 | Carson Swift | 38.10 | 10 | AAA Min | AAAA: 36.99 (+1.11s | 2.9%) | Nitro Swimming | 05/09/2026 | 2026 ST NTRO LC School S Out | |
| 76 | Charlie Lockett | 38.12 | 10 | AAA Min | AAAA: 36.99 (+1.13s | 3.0%) | Nitro Swimming | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 77 | Daniel Lazar | 38.12 | 10 | AAA Min | AAAA: 36.99 (+1.13s | 3.0%) | Coast Aquatics | 04/11/2026 | CAT5 LC Open 2026 | |
| 78 | Walker Lewis | 38.14 | 10 | AAA Min | AAAA: 36.99 (+1.15s | 3.0%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 79 | Lucas Pan | 38.16 | 9 | AAA Min | AAAA: 36.99 (+1.17s | 3.1%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 80 | Spencer Ramsbottom | 38.16 | 9 | AAA Min | AAAA: 36.99 (+1.17s | 3.1%) | Marlins Of Raleigh | 04/25/2026 | 2026 NCAC Quad Meet | |
| 81 | Griffin Ignash | 38.19 | 10 | AAA Min | AAAA: 36.99 (+1.20s | 3.1%) | Aquatic Team Of Mecklenburg | 05/15/2026 | 2026 EAC Memorial Invite | |
| 82 | Shawn Wu | 38.22 | 10 | AAA Min | AAAA: 36.99 (+1.23s | 3.2%) | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 83 | Cornelius Celestine | 38.24 | 10 | AAA Min | AAAA: 36.99 (+1.25s | 3.3%) | Houston Hydra | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 84 | Ethan Qu | 38.24 | 10 | AAA Min | AAAA: 36.99 (+1.25s | 3.3%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 85 | Michael Levell | 38.28 | 10 | AAA Min | AAAA: 36.99 (+1.29s | 3.4%) | Brownell Talbot | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | |
| 86 | Hank Li | 38.28 | 10 | AAA Min | AAAA: 36.99 (+1.29s | 3.4%) | Kentucky Aquatics | 04/25/2026 | 2026 Triton Derby Swim Festival | |
| 87 | Sebastian Saade | 38.29 | 10 | AAA Min | AAAA: 36.99 (+1.30s | 3.4%) | Los Angeles Swim Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 88 | David Goldenberg | 38.29 | 10 | AAA Min | AAAA: 36.99 (+1.30s | 3.4%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 89 | Elijah Braeger | 38.30 | 10 | AAA Min | AAAA: 36.99 (+1.31s | 3.4%) | Lakeside Swim Team | 05/15/2026 | 2026 Triton Summer Launch | |
| 90 | Lucius Leven | 38.30 | 10 | AAA Min | AAAA: 36.99 (+1.31s | 3.4%) | Unattached | 06/10/2026 | Splash Into Summer | |
| 91 | Winston Du | 38.30 | 10 | AAA Min | AAAA: 36.99 (+1.31s | 3.4%) | Aquajets Swim Team | 06/11/2026 | 2026 MN AQJT Aquajets Summer Spectacular | |
| 92 | Sebastian Horn-Rios | 38.31 | 10 | AAA Min | AAAA: 36.99 (+1.32s | 3.4%) | T2 Aquatics | 04/17/2026 | 2026 GCST Spring Open | |
| 93 | Adam Aburas | 38.37 | 10 | AAA Min | AAAA: 36.99 (+1.38s | 3.6%) | First Colony Swim Team, Inc. | 07/16/2025 | 2025 Texas Age Group Championships | |
| 94 | Jeffrey Xiong | 38.38 | 10 | AAA Min | AAAA: 36.99 (+1.39s | 3.6%) | Arctic Aquatics | 04/11/2026 | 2026 NE CS Season Opener | |
| 95 | Jaxson Ransom | 38.41 | 10 | AAA Min | AAAA: 36.99 (+1.42s | 3.7%) | Valley Swim Team Phoenix | 05/29/2026 | 2026 SwimRVA Success Bell | |
| 96 | Nolan Robertson | 38.43 | 10 | AAA Min | AAAA: 36.99 (+1.44s | 3.7%) | Lakeside Swim Team | 04/25/2026 | 2026 Triton Derby Swim Festival | |
| 97 | Joshua Gilbert | 38.47 | 10 | AAA Min | AAAA: 36.99 (+1.48s | 3.8%) | Bolles School Sharks | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 98 | Mason Stout | 38.48 | 10 | AAA Min | AAAA: 36.99 (+1.49s | 3.9%) | Foxjets Swim Team | 06/11/2026 | 2026 MN AQJT Aquajets Summer Spectacular | |
| 99 | Reid Kessel | 38.48 | 10 | AAA Min | AAAA: 36.99 (+1.49s | 3.9%) | 757swim | 05/15/2026 | NOVA Spring Splash | |
| 100 | Seth Snyder | 38.51 | 10 | AAA Min | AAAA: 36.99 (+1.52s | 3.9%) | Firefish Aquatics | 06/05/2026 | HNVR Storm Surge 2026 | |
Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.